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Single Family ResidenceResidential
$874,964$274 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

421 NW 18TH ST

OKLAHOMA CITY, OK 73103
3
Beds
3 / 1
Baths
3,199 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$875K
$806K low$944K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,057 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$74,108 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,080
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,028
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$71,949
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$851,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyOklahoma
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPorch · 285 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Wilson Elementary SchoolA+
Elementary · Grades PK–4 · 0.2 mi
M
F. D. Moon Middle SchoolF
Middle · Grades 5–8 · 2.4 mi
H
Douglass High SchoolF
High · Grades 9–12 · 2.7 mi

District: Oklahoma City Public Schools

Neighborhood · ZIP 73103These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.153
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.87

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.4,843
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,144 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,251
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,144
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

421 Nw 18th St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 97% of homes in Oklahoma County
  • Costs more per square foot than 97% of homes in Oklahoma County
  • Bigger than 93% of homes in Oklahoma County
  • Has a bigger lot than 82% of homes in Oklahoma City 73103
  • Older than 97% of homes in Oklahoma County

What homes are worth in Oklahoma City 73103

Each bar is how many homes fall in that price range. The marker is this home.

This home
$150K$1.8M

This home is worth more than 84% of homes in Oklahoma City 73103.

How it measures up in Oklahoma City 73103

The dot is this home. The mark in the middle is the typical home in Oklahoma City 73103.

Estimated value$874,964
CheaperTypical $390,962Pricier

Pricier than 84% of homes nearby

Price per ft²$274
CheaperTypical $225Pricier

Pricier than 72% of homes nearby

Living area3,199 ft²
SmallerTypical 1,956 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.23 ac
SmallerTypical 0.16 acBigger

Bigger than 82% of homes nearby

Year built1923
OlderTypical 1920Newer

Newer than 66% of homes nearby

How 421 Nw 18th St ranks against every home in each area.
MeasureThis homeHighland TerraceOklahoma City 73103Oklahoma County
Estimated valuepricier than$874,96477% of homes84% of homes97% of homes
Price per ft²pricier than$27455% of homes72% of homes97% of homes
Living areabigger than3,199 ft²82% of homes81% of homes93% of homes
Lot sizebigger than0.23 ac75% of homes82% of homes67% of homes
Year builtnewer than192384% of homes66% of homes3% of homes

About 421 Nw 18th St

How much is 421 Nw 18th St, Oklahoma City, OK worth?

The TopHap Estimate for 421 Nw 18th St, Oklahoma City, OK is $874,964 as of Oct 21, 2026. The likely range is $805,744 to $944,184. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Nw 18th St, Oklahoma City, OK last sell?

421 Nw 18th St, Oklahoma City, OK last sold on Jul 28, 2010, according to the county's recorded deed.

How big is 421 Nw 18th St, Oklahoma City, OK?

421 Nw 18th St, Oklahoma City, OK has 3 bedrooms, 3 bathrooms, 3,199 square feet of living space and a 0.23-acre lot.

When was 421 Nw 18th St, Oklahoma City, OK built?

421 Nw 18th St, Oklahoma City, OK was built in 1923, making it 103 years old. The building has 2 stories.

What schools serve 421 Nw 18th St, Oklahoma City, OK?

421 Nw 18th St, Oklahoma City, OK is assigned to Wilson Elementary School (elementary), rated A+; F. D. Moon Middle School (middle), rated F; Douglass High School (high), rated F. All sit in Oklahoma City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Nw 18th St, Oklahoma City, OK compare to other homes in Oklahoma City 73103?

Among the 1,349 homes in Oklahoma City 73103, it is worth more than 84% of them ($874,964 against a typical $390,962), its price per square foot is higher than 72% of them ($274 against a typical $225), it is bigger than 81% of them (3,199 ft² against a typical 1,956 ft²), its lot is bigger than 82% of them (0.23 ac against a typical 0.16 ac) and it is newer than 66% of them (1923 against a typical 1920). Measured against all of Oklahoma County, it is worth more than 97% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 Nw 18th St, Oklahoma City, OK?

The 2025 property tax bill for 421 Nw 18th St, Oklahoma City, OK was $9,057. The county assessed it at $74,108.

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